package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();

        if (StringUtils.isNotEmpty(phone)){
            //生成随机的4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            //发送短信
            SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);
            log.info("code:"+code);
            //短信保存到session
            //session.setAttribute(phone,code);

            //将验证码保存到redis中 设置时间
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("验证码发送成功!");
        }
        return R.error("短信发送失败!");
    }


    @PostMapping("/login")
    public R<User> login(@RequestBody Map<String,String> map,HttpSession session){
        //获取用户输入的验证码
        String code = map.get("code");
        String phone = map.get("phone");
        //获取session中保存的验证码
        //String codeInSession = (String) session.getAttribute(phone);

        //从redis中获取验证码
        Object codeInSession = redisTemplate.opsForValue().get(phone);

        //校验验证码是否一致
        if (codeInSession!=null && codeInSession.equals(code)){
            //判断用户是否已经注册
            LambdaQueryWrapper<User> lqw=new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone,phone);
            User user = userService.getOne(lqw);
            if (user==null){
                //若未注册 保存用户信息
                user=new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            //将用户的信息保存到session中
            session.setAttribute("user",user.getId());

            //登录成功后 删除redis中的验证码
            redisTemplate.delete(phone);

            return R.success(user);
        }
        return R.error("登录失败!");
    }

}
